Stevia is a kind of natural, high sweetness, zero-calorie (zero-calorie) food additive (sweetener) and natural sugar substitute, extracted from the leaves of the natural Compositae herb Stevia. White crystalline powder, easily soluble in water, has the advantages of strong heat resistance, high stability, long shelf life, high cost performance, and almost negligible calorie contribution to food (commonly known as zero calories abroad).
Steviol glycosides
Chemical name: 13-[(2-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy] kauri-16-ene-18-carboxylic acid, β-D-pyridine glucopyranosyl ester
There are 9 kinds of stevia sweet ingredients that have been identified: namely stevioside; rebaudioside A, C, D, E, F; dukeside A and so on. They are all glycoside compounds, with the same aglycone - steviol (steviol); the difference only lies in the type, quantity and configuration of the sugar bound to the glycoside bond. Because they are all glycoside compounds with sweet taste, they are collectively referred to as Steviol Glycosides.
Stevia products are divided into: common total glycoside stevia, A3(RA) stevia, S(STV) glycoside stevia, and enzyme-modified stevia. Its sweetness is 200 to 300 times that of sucrose, it has a slightly bitter and grassy taste, and the calories are only 1/300 of that of sucrose, and it does not participate in human metabolism, and most of it is excreted from the stool in its original form. Disease patients benefit. It is a new type of natural sugar source with high sweetness and low calorie, and is known as the “King of Plant Sugar” and “Best Natural Sweetener” in the world.
Pharmacological effects
1. Effects on Glucose Metabolism
It inhibits sugar synthesis and oxygen uptake in rat renal cortical tubules. However, the sweetness component, such as She Ju Te, has no such effect. After 16 volunteers took the water extract of stevia leaves for 3 days, the tolerance to glucose was improved, and the blood sugar level was significantly decreased. It inhibits the effect of atractyloside on energy metabolism, and under its action, atractyloside reduces glycolysis, spermatogenesis, glycogenolysis and oxygen absorption. The site of action is extracellular, which may affect the cell membrane transport of zemite
2. vasodilator effect
In normal or renal hypertensive rats, it caused lower blood pressure, increased diuresis and sodium excretion, increased renal blood flow and glomerular filtration rate, which was partly caused by dilation of small arteries [4,5]. CaCl2 can significantly attenuate this vasodilatory effect, suggesting that it may be a calcium antagonist
3. Effects on rat liver mitochondrial enzymes
Stevia water extract inhibits the activities of the following enzymes, such as oxidative phosphorylase, ATPase, reduced coenzyme I (NADH) oxidase, succinate oxidase, succinyl deaminase, L-glutamate deaminase Wait
Efficacy and role
1. Reduce diabetes
Research shows that stevia sweeteners do not contribute calories or carbohydrates to the diet. They also demonstrated no effect on blood sugar or insulin response.
It has little to no effect on blood sugar, insulin levels, blood pressure, and weight. It causes a significant reduction in postprandial blood sugar and glucagon responses.
2. Weight Control
Wholesale Stevioside Sweetener can replace sugar in your diet for weight control. Studies have shown that added sugar intake accounts for an average of 16% of total dietary calories. This has been associated with weight gain and lower blood sugar level control. Stevia has no sugar and few (if any) calories, and it can be part of a balanced diet.
3. Lower Pancreatic Cancer
Studies have found that the kaempferol it contains may reduce the risk of pancreatic cancer by 23%Trusted Source.
4. Lower blood pressure
Research suggests that it may help lower blood pressure and may have cardiotonic effects. The cardiotonic effect normalizes blood pressure and regulates the heartbeat. It also increases sodium excretion and urine output.
5. Prevent cardiovascular disease
There are thousands of products on the market today that contain natural stevia, of which it can be used to allow children to transition to a low-sugar diet while eating sweets and beverages without adding calories.
6. Anti-allergic
Wholesale Stevioside Sweetener is not reactive and is not metabolized to reactive compounds, so inulin is unlikely to cause an allergic reaction on its own when consumed in food.
7. Laxative
It is also a healthy food that can moisten the intestines and defecate. It is rich in cellulose and dietary fiber. After eating it, people can speed up gastrointestinal motility, and can relieve intestinal dryness and constipation. Regular consumption can detoxify the intestines.
8. Relieve physical fatigue
Relieving human fatigue is one of its important functions, because it is not only rich in amino acids and vitamins, but also contains some sweeteners. These substances can be converted into energy after being absorbed by the human body, which can improve the functions of various organs of the body and maintain the human body. Normal metabolism can reduce the fatigue symptoms of the human body as soon as possible.
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